Electromagnetic lock driving circuit
A driving circuit and electromagnetic lock technology, which is applied to building locks, non-mechanical transmission-operated locks, buildings, etc., can solve problems such as inconvenience, failure of electromagnetic locks to obtain unlocking signals, and complicated system control procedures
Pending Publication Date: 2019-01-15
EAST GRP CO LTD
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Problems solved by technology
The pulse power supply driving method of the existing charging gun lock is to add positive and negative power supply modules to the system, use program switching, or do two programs to drive different types of pulse power supply electromagnetic locks, which makes the charging pile system complicated and the system control program complicated. The compatibility is not good, and when the mains power of the charging pile system is out of power, the electromagnetic lock cannot get the unlock signal, which brings great inconvenience to the user.
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[0021] In order to facilitate the understanding of the present invention, the following will describe the present invention more fully. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention.
[0023] see figure 1 and figure 2 , is an electromagnetic lock driving circuit 100 in a preferred embodiment of the present invention, used to send a locking pulse or an unlocking pulse to the electro...
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The invention relates to an electromagnetic lock driving circuit which is used for sending a locking pulse or an unlocking pulse to an electromagnetic lock. The electromagnetic lock driving circuit comprises a time delay unit, an on-off unit, an energy storage unit and a switching unit, wherein the time delay unit is used for controlling the pulse width of the locking pulse; the on-off unit is used for controlling the on-off of a locking circuit of the electromagnetic lock according to the time delay unit so as to generate the locking pulse; the energy storage unit is used for providing the energy required by the unlocking pulse; the switching unit enables the energy storage unit to charge when receiving a locking bias signal; and the energy storage unit is enabled to output the unlockingpulse when the locking bias signal disappears. The electromagnetic lock driving circuit outputs the unlocking pulse to the electromagnetic lock through using the energy storage unit, thereby being capable of avoiding the simultaneous use of positive and negative power supply modules in the electromagnetic lock driving circuit, and effectively simplifying the electromagnetic lock driving circuit. In addition, the electromagnetic lock driving circuit outputs the unlocking pulse to the electromagnetic by using the energy of the energy storage unit when the locking bias signal disappears or the power supply is interrupted, thereby being capable of avoiding the trouble that the electromagnetic lock of a charging gun cannot be unlocked due to the interruption of the power supply.
Description
technical field [0001] The invention relates to an electromagnetic lock driving technology, in particular to an electromagnetic lock driving circuit. Background technique [0002] With the development of new energy vehicles and their supporting charging equipment, the safety of charging equipment has been paid attention to. During the charging process, the charging gun needs to be locked to prevent the charging gun from falling off and causing harm. The driving mode of the charging gun lock is divided into pulse power supply and continuous power supply. Considering the outdoor operating conditions of the charging pile (high temperature and high humidity, the charging gun heats up seriously) and system power consumption, the use of pulse power supply has become a trend. The pulse power supply driving method of the existing charging gun lock is to add positive and negative power supply modules to the system, use program switching, or do two programs to drive different types of...
Claims
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Login to View More IPC IPC(8): E05B47/00
CPCE05B47/00E05B47/0002E05B2047/0048E05B2047/0057
Inventor 张冰李晓峰
Owner EAST GRP CO LTD